Home / 459,156.21-688,733.24-122,196.75

Finding the Fourth Proportional to 459,156.21, 688,733.24 and 122,196.75

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Solution

The fourth proportional to 459,156.21, 688,733.24 and 122,196.75 is: 183,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,156.21 : 688,733.24 = 122,196.75 : x
  2. Step 2: Convert to fraction form
    459,156.21/688,733.24 = 122,196.75/x
  3. Step 3: Cross multiply
    459,156.21x = 688,733.24 × 122,196.75
  4. Step 4: Simplify right side
    459,156.21x = 84,160,962,933.99
  5. Step 5: Solve for x
    x = 84,160,962,933.99/459,156.21
  6. Step 6: Final answer
    x = 183,294.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.